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  • 1. 27 April 2013Cloud Computing: principles and paradigms - Part III111-T-SYSTEMS CLOUD-BASED SOLUTIONS FOR BUSINESS APPLICATIONS MICHAEL PAULY Cloud Computing Principles and Paradigms Presented byMajid Hajibaba

2. 27 April 2013Cloud Computing: principles and paradigms - Part IIIIntroduction T-Systems ICT service provider Offers IT, telecommunications, integrated ICT services 75 data center 50,000 sever Europa, Asia, America, Africa T-Systems uses Cloud Computing leverage its services delivered from data centers aligns cloud computing with the specific requirements rejecting cloud principles where conflict with statutory requirements conflict with security imperativesPresented by Majid Hajibaba2 3. 27 April 2013Cloud Computing: principles and paradigms - Part III3Enterprise ~ Cloud ComputingPresented by Majid Hajibaba 4. 27 April 2013Cloud Computing: principles and paradigms - Part IIIDynamic ICT Services Companies Challenge need to penetrate new markets to launch new services to supply sales models to make joint offerings with partners Solution Dynamic ICT Services (cloud) Features Industrialization Standardization Automation Modularization Integrated creation of ICT services Presented by Majid Hajibaba4 5. 27 April 2013Cloud Computing: principles and paradigms - Part III5IMPORTANCE OF QUALITY AND SECURITY IN CLOUDS Quality End-to-End SLA Availability Important for business Not serious for ICT services Weighing up risk against cost higher service levels come at a higher price Quality: right levels for each service NOT highest levels Security Compliance Key drawback of cloud computing legal issues (e.g., privacy and liability)Presented by Majid Hajibaba 6. 27 April 2013Cloud Computing: principles and paradigms - Part IIIDynamic Data Center Produce Business-Ready, dynamic ICT Services Flexibility across all modulesManagement with manual interventionFlexible Functional modules Adaptable Processing and storage resources Agile LAN,WAN Presented by Majid Hajibaba6 7. 27 April 2013Cloud Computing: principles and paradigms - Part III7Toward Dynamic ICT Services Dynamic (flexible) ICT Service 1. Standardize customers environment Software : single operation system Hardware : like specific processor generation2.Technical consolidation Reduce servers Reduce storages Use identical backup/restore mechanism Close small data center3.Separating logical from physical Use virtualization Process AutomationPresented by Majid Hajibaba 8. 27 April 2013Cloud Computing: principles and paradigms - Part IIICore Cloud Modules T-Systems Core cloud modules Computing Storage CommunicationPresented by Majid Hajibaba8 9. 27 April 2013Cloud Computing: principles and paradigms - Part IIIComputingCMDB RolePresented by Majid Hajibaba9 10. 27 April 2013Cloud Computing: principles and paradigms - Part IIIComputing in Cloud Advantages over conventional ICT environments Switch customer apps. From server to server CMDB updated automatically Enhanced monitoring and reporting Quality management Resource planning Maintain one version of each operating system To limit number of OSs To minimize administrative effort Virtualized applications Reduce provisioning time Quick move among servers Update independently from OS Presented by Majid Hajibaba10 11. 27 April 2013Cloud Computing: principles and paradigms - Part IIIStorage IP-based Storage system use NAS, neither SAN nor DAS Linked via Gbit Ethernet Using fiber channel BIS Backup Integrated Storage Couple backup to storage Snapshotting Archive Different fire zone Initiated from Applications Document management system Presented by Majid Hajibaba11 12. 27 April 2013Cloud Computing: principles and paradigms - Part IIIStorage resourcesPresented by Majid Hajibaba12 13. 27 April 2013Cloud Computing: principles and paradigms - Part IIICommunication Integrate storage and computing modules Segregate network by VPN Customer Network Customers : Via internet or VPN Companies : Via unique IP address Protected by clustered firewalls Storage Network A separate storage network Accessing OS images, application and customer data Administration Network Segregated from all others networks Has no access to customers data Presented by Majid Hajibaba13 14. 27 April 2013Cloud Computing: principles and paradigms - Part IIIDynamic Applications for Enterprises (T-System) Enterprise Requirement Communication and collaboration frequent changes in user numbers need flexible means of handling communications and collaboration T-Systems offers two leading email systems via dynamic service ERP and CRM Supported by Dynamic Systems T-Systems offer SAP and Navision Development and Testing Use configured systems that are not currently required Use computing resources are no longer needed Middleware Platform as a Service (PaaS) T-Systems middleware : dynamic database, web server, portal Front-Ends and Devices Such as Office applications T-Systems offers via dynamic desktop service Presented by Majid Hajibaba14 15. 27 April 2013Cloud Computing: principles and paradigms - Part IIIT-Systems Case Study Dynamic Infrastructure Service A mid-sized furniture manufacturer In average 1500 couches daily Halved in summer Outsource resource provisioning to T-Systems (use IaaS) Scale up or down according number of users Move at edge of technology T-System offers private cloud T-Systems benefit from VMware vCloudPresented by Majid Hajibaba15 16. 27 April 2013Cloud Computing: principles and paradigms - Part III16Summary Cost and Market pressure > call increased productivity Conventional Outsourcing Cut cost No flexibility Cloud Computing Flexibility Straightforward relationship between providers and their customers On demand resource Pay per use Outsourcing factors Cost, flexibility, privacy, security, legislation, QoS Solution: Private cloud: mission-critical systems Public cloud: non mission-critical and not require service level Hybrid cloud: large companyPresented by Majid Hajibaba 17. 27 April 2013Cloud Computing: principles and paradigms - Part IIIEND T-systems Cloud-based Solutions For Business Applications 17

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